Consolidated Balance Sheets (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain], USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
MidAmerican Funding, LLC and Subsidiaries [Domain]
Utility plant, net:
Electric	$ 10,648	$ 10,587
Gas	1,259	1,255
Gross utility plant in service	11,907	11,842
Accumulated depreciation and amortization	(4,201)	(4,120)
Utility plant in service, net	7,706	7,722
Construction work in progress	200	173
Total utility plant, net	7,906	7,895
Current assets:
Cash and cash equivalents	43	1
Receivables, net	353	376
Income taxes receivable	296	270
Inventories	183	201
Other	61	58
Total current assets	936	906
Other assets:
Investments and nonregulated property, net	554	528
Goodwill	1,270	1,270
Regulatory assets	828	831
Other	166	175
Total other assets	2,818	2,804
Total assets	11,660	11,605
Capitalization:
MidAmerican Funding member's equity	4,029	3,972
Noncontrolling interests	28	28
Long-term debt, excluding current portion	3,168	3,440
Total capitalization	7,225	7,440
Current liabilities:
Current portion of long-term debt	275	0
Note payable to affiliate	240	231
Accounts payable	269	314
Taxes accrued	87	107
Interest accrued	34	41
Other	142	120
Total current liabilities	1,047	813
Other liabilities:
Deferred income taxes	1,931	1,918
Asset retirement obligations	296	293
Regulatory liabilities	743	719
Other	418	422
Total other liabilities	3,388	3,352
Total capitalization and liabilities	$ 11,660	$ 11,605